Routing Table Report 04:00 +10GMT Thu 01 Aug, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 461882
Prefixes after maximum aggregation: 186887
Deaggregation factor: 2.47
Unique aggregates announced to Internet: 228320
Total ASes present in the Internet Routing Table: 44614
Prefixes per ASN: 10.35
Origin-only ASes present in the Internet Routing Table: 34925
Origin ASes announcing only one prefix: 16198
Transit ASes present in the Internet Routing Table: 5882
Transit-only ASes present in the Internet Routing Table: 155
Average AS path length visible in the Internet Routing Table: 4.6
Max AS path length visible: 29
Max AS path prepend of ASN ( 36992) 22
Prefixes from unregistered ASNs in the Routing Table: 3714
Unregistered ASNs in the Routing Table: 1421
Number of 32-bit ASNs allocated by the RIRs: 4911
Number of 32-bit ASNs visible in the Routing Table: 3807
Prefixes from 32-bit ASNs in the Routing Table: 11454
Special use prefixes present in the Routing Table: 29
Prefixes being announced from unallocated address space: 265
Number of addresses announced to Internet: 2631299300
Equivalent to 156 /8s, 214 /16s and 112 /24s
Percentage of available address space announced: 71.1
Percentage of allocated address space announced: 71.1
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 94.8
Total number of prefixes smaller than registry allocations: 162064
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 111319
Total APNIC prefixes after maximum aggregation: 33933
APNIC Deaggregation factor: 3.28
Prefixes being announced from the APNIC address blocks: 113077
Unique aggregates announced from the APNIC address blocks: 46043
APNIC Region origin ASes present in the Internet Routing Table: 4869
APNIC Prefixes per ASN: 23.22
APNIC Region origin ASes announcing only one prefix: 1223
APNIC Region transit ASes present in the Internet Routing Table: 821
Average APNIC Region AS path length visible: 4.7
Max APNIC Region AS path length visible: 23
Number of APNIC region 32-bit ASNs visible in the Routing Table: 619
Number of APNIC addresses announced to Internet: 725729760
Equivalent to 43 /8s, 65 /16s and 193 /24s
Percentage of available APNIC address space announced: 84.8
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319,
58368-59391, 131072-133119
APNIC Address Blocks 1/8, 14/8, 27/8, 36/8, 39/8, 42/8, 43/8,
49/8, 58/8, 59/8, 60/8, 61/8, 101/8, 103/8,
106/8, 110/8, 111/8, 112/8, 113/8, 114/8, 115/8,
116/8, 117/8, 118/8, 119/8, 120/8, 121/8, 122/8,
123/8, 124/8, 125/8, 126/8, 133/8, 150/8, 153/8,
163/8, 171/8, 175/8, 180/8, 182/8, 183/8, 202/8,
203/8, 210/8, 211/8, 218/8, 219/8, 220/8, 221/8,
222/8, 223/8,
ARIN Region Analysis Summary
----------------------------
Prefixes being announced by ARIN Region ASes: 159861
Total ARIN prefixes after maximum aggregation: 80532
ARIN Deaggregation factor: 1.99
Prefixes being announced from the ARIN address blocks: 160476
Unique aggregates announced from the ARIN address blocks: 74166
ARIN Region origin ASes present in the Internet Routing Table: 15797
ARIN Prefixes per ASN: 10.16
ARIN Region origin ASes announcing only one prefix: 5992
ARIN Region transit ASes present in the Internet Routing Table: 1645
Average ARIN Region AS path length visible: 4.1
Max ARIN Region AS path length visible: 27
Number of ARIN region 32-bit ASNs visible in the Routing Table: 19
Number of ARIN addresses announced to Internet: 1068098880
Equivalent to 63 /8s, 169 /16s and 229 /24s
Percentage of available ARIN address space announced: 56.5
ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106
(pre-ERX allocations) 2138-2584, 2615-2772, 2823-2829, 2880-3153
3354-4607, 4865-5119, 5632-6655, 6912-7466
7723-8191, 10240-12287, 13312-15359, 16384-17407
18432-20479, 21504-23551, 25600-26591,
26624-27647, 29696-30719, 31744-33791
35840-36863, 39936-40959, 46080-47103
53248-55295, 62464-63487, 393216-394239
ARIN Address Blocks 3/8, 4/8, 6/8, 7/8, 8/8, 9/8, 11/8,
12/8, 13/8, 15/8, 16/8, 17/8, 18/8, 19/8,
20/8, 21/8, 22/8, 23/8, 24/8, 26/8, 28/8,
29/8, 30/8, 32/8, 33/8, 34/8, 35/8, 38/8,
40/8, 44/8, 45/8, 47/8, 48/8, 50/8, 52/8,
53/8, 54/8, 55/8, 56/8, 57/8, 63/8, 64/8,
65/8, 66/8, 67/8, 68/8, 69/8, 70/8, 71/8,
72/8, 73/8, 74/8, 75/8, 76/8, 96/8, 97/8,
98/8, 99/8, 100/8, 104/8, 107/8, 108/8, 128/8,
129/8, 130/8, 131/8, 132/8, 134/8, 135/8, 136/8,
137/8, 138/8, 139/8, 140/8, 142/8, 143/8, 144/8,
146/8, 147/8, 148/8, 149/8, 152/8, 155/8, 156/8,
157/8, 158/8, 159/8, 160/8, 161/8, 162/8, 164/8,
165/8, 166/8, 167/8, 168/8, 169/8, 170/8, 172/8,
173/8, 174/8, 184/8, 192/8, 198/8, 199/8, 204/8,
205/8, 206/8, 207/8, 208/8, 209/8, 214/8, 215/8,
216/8,
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 118224
Total RIPE prefixes after maximum aggregation: 60324
RIPE Deaggregation factor: 1.96
Prefixes being announced from the RIPE address blocks: 122006
Unique aggregates announced from the RIPE address blocks: 78510
RIPE Region origin ASes present in the Internet Routing Table: 17321
RIPE Prefixes per ASN: 7.04
RIPE Region origin ASes announcing only one prefix: 8209
RIPE Region transit ASes present in the Internet Routing Table: 2825
Average RIPE Region AS path length visible: 5.1
Max RIPE Region AS path length visible: 29
Number of RIPE region 32-bit ASNs visible in the Routing Table: 2373
Number of RIPE addresses announced to Internet: 656924836
Equivalent to 39 /8s, 39 /16s and 224 /24s
Percentage of available RIPE address space announced: 95.5
RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614
(pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631
6656-6911, 8192-9215, 12288-13311, 15360-16383
20480-21503, 24576-25599, 28672-29695
30720-31743, 33792-35839, 38912-39935
40960-45055, 47104-52223, 56320-58367
59392-61439, 196608-199679
RIPE Address Blocks 2/8, 5/8, 25/8, 31/8, 37/8, 46/8, 51/8,
62/8, 77/8, 78/8, 79/8, 80/8, 81/8, 82/8,
83/8, 84/8, 85/8, 86/8, 87/8, 88/8, 89/8,
90/8, 91/8, 92/8, 93/8, 94/8, 95/8, 109/8,
141/8, 145/8, 151/8, 176/8, 178/8, 185/8, 188/8,
193/8, 194/8, 195/8, 212/8, 213/8, 217/8,
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 49315
Total LACNIC prefixes after maximum aggregation: 9510
LACNIC Deaggregation factor: 5.19
Prefixes being announced from the LACNIC address blocks: 53852
Unique aggregates announced from the LACNIC address blocks: 25419
LACNIC Region origin ASes present in the Internet Routing Table: 1992
LACNIC Prefixes per ASN: 27.03
LACNIC Region origin ASes announcing only one prefix: 583
LACNIC Region transit ASes present in the Internet Routing Table: 366
Average LACNIC Region AS path length visible: 4.6
Max LACNIC Region AS path length visible: 24
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 790
Number of LACNIC addresses announced to Internet: 133615392
Equivalent to 7 /8s, 246 /16s and 207 /24s
Percentage of available LACNIC address space announced: 79.6
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
61440-61951, 262144-263679 plus ERX transfers
LACNIC Address Blocks 177/8, 179/8, 181/8, 186/8, 187/8, 189/8, 190/8,
191/8, 200/8, 201/8,
AfriNIC Region Analysis Summary
-------------------------------
Prefixes being announced by AfriNIC Region ASes: 11620
Total AfriNIC prefixes after maximum aggregation: 2547
AfriNIC Deaggregation factor: 4.56
Prefixes being announced from the AfriNIC address blocks: 12206
Unique aggregates announced from the AfriNIC address blocks: 3935
AfriNIC Region origin ASes present in the Internet Routing Table: 645
AfriNIC Prefixes per ASN: 18.92
AfriNIC Region origin ASes announcing only one prefix: 191
AfriNIC Region transit ASes present in the Internet Routing Table: 132
Average AfriNIC Region AS path length visible: 4.7
Max AfriNIC Region AS path length visible: 25
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 6
Number of AfriNIC addresses announced to Internet: 46602240
Equivalent to 2 /8s, 199 /16s and 24 /24s
Percentage of available AfriNIC address space announced: 46.3
AfriNIC AS Blocks 36864-37887, 327680-328703 & ERX transfers
AfriNIC Address Blocks 41/8, 102/8, 105/8, 154/8, 196/8, 197/8,
APNIC Region per AS prefix count summary
----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
4766 2918 11561 917 Korea Telecom (KIX)
17974 2648 871 92 PT TELEKOMUNIKASI INDONESIA
7545 2040 320 110 TPG Internet Pty Ltd
4755 1781 393 200 TATA Communications formerly
9829 1538 1221 45 BSNL National Internet Backbo
9583 1224 92 505 Sify Limited
4808 1173 2153 341 CNCGROUP IP network: China169
9498 1172 309 71 BHARTI Airtel Ltd.
7552 1131 1080 13 Vietel Corporation
24560 1087 394 164 Bharti Airtel Ltd., Telemedia
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
6389 2982 3689 64 bellsouth.net, inc.
18566 2065 382 184 Covad Communications
1785 2004 679 124 PaeTec Communications, Inc.
22773 2001 2927 123 Cox Communications, Inc.
20115 1671 1623 622 Charter Communications
4323 1613 1101 403 Time Warner Telecom
701 1524 11120 801 UUNET Technologies, Inc.
30036 1339 300 648 Mediacom Communications Corp
7018 1314 11036 833 AT&T WorldNet Services
11492 1221 218 363 Cable One
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8402 1639 544 16 Corbina telecom
34984 1299 244 221 BILISIM TELEKOM
2118 1235 97 13 EUnet/RELCOM Autonomous Syste
31148 951 43 19 FreeNet ISP
20940 945 330 745 Akamai Technologies European
6830 848 2371 431 UPC Distribution Services
13188 840 98 78 Educational Network
8551 780 370 45 Bezeq International
12479 675 793 56 Uni2 Autonomous System
9198 611 343 21 Kazakhtelecom Data Network Ad
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
28573 2955 1591 110 NET Servicos de Comunicao S.A
10620 2641 420 226 TVCABLE BOGOTA
7303 1730 1155 219 Telecom Argentina Stet-France
8151 1272 2753 386 UniNet S.A. de C.V.
18881 1252 844 20 Global Village Telecom
27947 834 94 90 Telconet S.A
6503 819 434 63 AVANTEL, S.A.
11830 749 364 15 Instituto Costarricense de El
3816 724 306 85 Empresa Nacional de Telecomun
7738 698 1370 35 Telecomunicacoes da Bahia S.A
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
36998 1815 112 5 MOBITEL
24863 875 274 30 LINKdotNET AS number
6713 542 617 25 Itissalat Al-MAGHRIB
8452 435 956 9 TEDATA
24835 339 80 8 RAYA Telecom - Egypt
3741 258 921 217 The Internet Solution
15706 221 32 6 Sudatel Internet Exchange Aut
29571 220 17 12 Ci Telecom Autonomous system
36992 206 527 22 Etisalat MISR
12258 193 28 71 Vodacom Internet Company
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
6389 2982 3689 64 bellsouth.net, inc.
28573 2955 1591 110 NET Servicos de Comunicao S.A
4766 2918 11561 917 Korea Telecom (KIX)
17974 2648 871 92 PT TELEKOMUNIKASI INDONESIA
10620 2641 420 226 TVCABLE BOGOTA
18566 2065 382 184 Covad Communications
7545 2040 320 110 TPG Internet Pty Ltd
1785 2004 679 124 PaeTec Communications, Inc.
22773 2001 2927 123 Cox Communications, Inc.
36998 1815 112 5 MOBITEL
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
28573 2955 2845 NET Servicos de Comunicao S.A
17974 2648 2556 PT TELEKOMUNIKASI INDONESIA
10620 2641 2415 TVCABLE BOGOTA
4766 2918 2001 Korea Telecom (KIX)
7545 2040 1930 TPG Internet Pty Ltd
18566 2065 1881 Covad Communications
1785 2004 1880 PaeTec Communications, Inc.
22773 2001 1878 Cox Communications, Inc.
36998 1815 1810 MOBITEL
8402 1639 1623 Corbina telecom
Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic
30031 UNALLOCATED 12.27.122.0/24 7018 AT&T WorldNet Servic
13317 UNALLOCATED 12.44.10.0/24 7018 AT&T WorldNet Servic
23502 UNALLOCATED 12.44.44.0/24 7018 AT&T WorldNet Servic
17300 UNALLOCATED 12.45.103.0/24 209 Qwest
17300 UNALLOCATED 12.45.110.0/24 701 UUNET Technologies,
16476 UNALLOCATED 12.46.27.0/24 7018 AT&T WorldNet Servic
14764 UNALLOCATED 12.108.237.0/24 7018 AT&T WorldNet Servic
33649 UNALLOCATED 12.111.112.0/24 19029 New Edge Networks
30621 UNALLOCATED 12.151.74.0/23 7018 AT&T WorldNet Servic
Complete listing at http://thyme.rand.apnic.net/current/data-badAS
Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------
Prefix Origin AS Description
128.0.0.0/24 2541 >>UNKNOWN<<
128.0.16.0/21 43568 RIPE Network Coordination Cen
128.0.24.0/21 41794 Altline LLC
128.0.40.0/24 60449 >>UNKNOWN<<
128.0.42.0/24 60619 >>UNKNOWN<<
128.0.43.0/24 60619 >>UNKNOWN<<
128.0.45.0/24 60657 >>UNKNOWN<<
128.0.46.0/23 39743 Mobimax Telecom SRL
128.0.53.0/24 60993 Totalsoft SA
128.0.54.0/24 60972 Carpatair SA
Complete listing at http://thyme.rand.apnic.net/current/data-dsua
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
62.61.220.0/24 24974 Tachyon Europe BV - Wireless
62.61.221.0/24 24974 Tachyon Europe BV - Wireless
62.182.96.0/23 15830 TELECITY London
64.185.224.0/24 27431 JTL Networks Inc.
64.185.225.0/24 27431 JTL Networks Inc.
64.185.226.0/24 27431 JTL Networks Inc.
64.185.227.0/24 27431 JTL Networks Inc.
64.185.228.0/24 27431 JTL Networks Inc.
64.185.229.0/24 27431 JTL Networks Inc.
64.185.230.0/24 27431 JTL Networks Inc.
Complete listing at http://thyme.rand.apnic.net/current/data-add-IANA
Number of prefixes announced per prefix length (Global)
-------------------------------------------------------
/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:16 /9:11 /10:30 /11:92 /12:249
/13:479 /14:903 /15:1605 /16:12741 /17:6656 /18:11087
/19:22497 /20:32120 /21:34711 /22:48681 /23:42687 /24:243458
/25:1273 /26:1627 /27:831 /28:37 /29:63 /30:13
/31:0 /32:15
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2016 2065 Covad Communications
36998 1780 1815 MOBITEL
6389 1715 2982 bellsouth.net, inc.
8402 1337 1639 Corbina telecom
22773 1303 2001 Cox Communications, Inc.
30036 1204 1339 Mediacom Communications Corp
11492 1182 1221 Cable One
1785 1078 2004 PaeTec Communications, Inc.
6983 1020 1147 ITC^Deltacom
10620 985 2641 TVCABLE BOGOTA
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:828 2:707 3:3 4:19 5:839 6:17
8:578 12:1925 13:2 14:869 15:11 16:3
17:10 18:19 20:17 23:295 24:1770 27:1520
31:1337 32:45 33:2 34:5 36:67 37:1844
38:891 39:2 40:174 41:3298 42:249 44:8
46:1939 47:2 49:660 50:814 52:12 54:37
55:7 57:26 58:1165 59:613 60:332 61:1502
62:1179 63:2009 64:4356 65:2148 66:4188 67:2021
68:1094 69:3287 70:798 71:489 72:1914 74:2506
75:324 76:306 77:1129 78:1051 79:610 80:1295
81:1015 82:633 83:584 84:579 85:1234 86:468
87:1028 88:543 89:1802 90:153 91:5539 92:633
93:1690 94:1906 95:1631 96:594 97:344 98:1026
99:43 100:30 101:594 103:3061 105:522 106:141
107:208 108:519 109:1836 110:946 111:1071 112:563
113:815 114:698 115:1094 116:957 117:806 118:1140
119:1305 120:363 121:852 122:1808 123:1248 124:1371
125:1394 128:636 129:222 130:304 131:656 132:361
133:160 134:269 135:72 136:240 137:244 138:343
139:189 140:209 141:318 142:531 143:395 144:514
145:90 146:526 147:405 148:662 149:351 150:154
151:553 152:409 153:190 154:28 155:413 156:275
157:354 158:275 159:745 160:349 161:455 162:510
163:223 164:583 165:514 166:254 167:598 168:1021
169:126 170:1061 171:185 172:23 173:1582 174:559
175:499 176:1155 177:2111 178:1883 179:70 180:1502
181:577 182:1290 183:419 184:673 185:700 186:2335
187:1363 188:1889 189:1282 190:6810 192:6841 193:5701
194:4709 195:3576 196:1347 197:947 198:4557 199:5365
200:5978 201:2446 202:8827 203:8885 204:4512 205:2595
206:2823 207:2897 208:4011 209:3601 210:2945 211:1530
212:2244 213:2024 214:914 215:99 216:5252 217:1619
218:618 219:333 220:1284 221:552 222:315 223:463
End of report